From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 701C8C44500 for ; Tue, 30 Jun 2026 16:44:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=iQBy/o37l9sudMeWSCTCpjVQ/V1ougLIUohroSPHPK0=; b=XXZYpl02cX4qqkrSHfjCuqxryo KV0fFpctz17jqkckhJOoTR32IUfKa15x4LONWVfnlDjczFOJD40KhR1Rf09ojPTLwVtLycD4XMEEn J+6ojsN9vyPqG+HncxB2l0PzdE9EdeUGwUi5DNMJaFV0/Q00w46BKAaNfdbpjd4AFHOtys39Rf/2v NzUe+ajVheqeBtl8zUDkne3ssu7RIYHnVugRWyWyBvgBSHKWj+zMZriO1+l8pnZt6CUaHJyWGhf3U ZOrZJzoryWp/3Ob8ChceHtXFVes07Db7WvpPlo8sIm+Asdemmq29TJl9NewDd34fvG7OhvOL6r23z d2cGbFJQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1webZ8-0000000HVRa-0JA9; Tue, 30 Jun 2026 16:44:06 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1webYx-0000000HVKs-3CKq; Tue, 30 Jun 2026 16:43:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type; bh=iQBy/o37l9sudMeWSCTCpjVQ/V1ougLIUohroSPHPK0=; b=ra4IZzycLMlAALjhjKyzC+Wy0q 41zyiJleGla0koqeyiUVgLfeYR86pfv5TZyE/8orGe3kdgLl1NiYkWj2KAMUvHstoBhcA7mquLB33 D/x935HbO+vobPy6KV4bNyNokvmpSWgiErM78FO2IwPrYRTucLaZxD+8NhAqPjyKI8QWdF33h73eL PwD0PEwVCFxVoTu2IfvZgeiTEPz51mynoc4frt8rNET0MOlWkqD2ZA4O9KgokITRk37MBqp48ASJ3 Co7Fk23AyHDtntqMsy4M0aon264qT8X+1U6KXJIRFwSGaEtjEp83G6NhtSCTQEYEh61swonUVC6/e +4z5AsbQ==; From: Heiko Stuebner To: mkl@pengutronix.de, mailhol@kernel.org Cc: kernel@pengutronix.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, shawn.lin@rock-chips.com, linux-can@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, quentin.schulz@cherry.de, zhangqing@rock-chips.com, Heiko Stuebner Subject: [PATCH 3/6] can: rockchip-canfd: enable erratum 6 on RK3588 Date: Tue, 30 Jun 2026 18:43:33 +0200 Message-ID: <20260630164336.3444550-4-heiko@sntech.de> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260630164336.3444550-1-heiko@sntech.de> References: <20260630164336.3444550-1-heiko@sntech.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260630_094355_803307_E799105D X-CRM114-Status: UNSURE ( 9.97 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Heiko Stuebner Sending extended CAN frames from the RK3588's CAN controller, sometimes sends standard frames, as explained in the erratum's description: can0 00001234 [4] DE AD BE EF can0 00000001 [4] DE AD BE EF can0 000007FF [4] DE AD BE EF can0 00000800 [4] DE AD BE EF can0 1FFFFFFF [4] DE AD BE EF can0 12345678 [4] DE AD BE EF can0 234 [4] DE AD BE EF can0 00000001 [4] DE AD BE EF Enabling the erratum, introduces the correct behaviour in re-sending the frame: can0 1FFFFFFF [4] DE AD BE EF can0 12345678 [4] DE AD BE EF can0 234 [4] DE AD BE EF can0 00001234 [4] DE AD BE EF can0 00000001 [4] DE AD BE EF Signed-off-by: Heiko Stuebner --- drivers/net/can/rockchip/rockchip_canfd-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/can/rockchip/rockchip_canfd-core.c b/drivers/net/can/rockchip/rockchip_canfd-core.c index 707f387e7cf4..105ca4d5cbef 100644 --- a/drivers/net/can/rockchip/rockchip_canfd-core.c +++ b/drivers/net/can/rockchip/rockchip_canfd-core.c @@ -53,6 +53,7 @@ static const struct rkcanfd_devtype_data rkcanfd_devtype_data_rk3568v3 = { static const struct rkcanfd_devtype_data rkcanfd_devtype_data_rk3588 = { .model = RKCANFD_MODEL_RK3588, .quirks = /* Possible more Errata */ + RKCANFD_QUIRK_RK3568_ERRATUM_6, RKCANFD_QUIRK_CANFD_BROKEN, }; -- 2.47.3